package T01_test_all.test13_stringBuilder.test14_stringJoin;

import java.util.StringJoiner;

public class T14Test {
    public static void main(String[] args) {
        StringJoiner sj = new StringJoiner(",","[","]");
        sj.add("aaa").add("bbb").add("ccc");
        System.out.println(sj);
    }
}
